Home / 3,865.31-5,332.39-2,605.96

Finding the Fourth Proportional to 3,865.31, 5,332.39 and 2,605.96

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Solution

The fourth proportional to 3,865.31, 5,332.39 and 2,605.96 is: 3,595.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.31 : 5,332.39 = 2,605.96 : x
  2. Step 2: Convert to fraction form
    3,865.31/5,332.39 = 2,605.96/x
  3. Step 3: Cross multiply
    3,865.31x = 5,332.39 × 2,605.96
  4. Step 4: Simplify right side
    3,865.31x = 13,895,995.04
  5. Step 5: Solve for x
    x = 13,895,995.04/3,865.31
  6. Step 6: Final answer
    x = 3,595.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.